549387 has 6 divisors (see below), whose sum is σ = 793572. Its totient is φ = 366252.

The previous prime is 549379. The next prime is 549391. The reversal of 549387 is 783945.

It is not a de Polignac number, because 549387 - 2³ = 549379 is a prime.

It is not an unprimeable number, because it can be changed into a prime (549587) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 30513 + ... + 30530.

It is an arithmetic number, because the mean of its divisors is an integer number (132262).

2⁵⁴⁹³⁸⁷ is an apocalyptic number.

549387 is a deficient number, since it is larger than the sum of its proper divisors (244185).

549387 is a wasteful number, since it uses less digits than its factorization.

549387 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61049 (or 61046 counting only the distinct ones).

The product of its digits is 30240, while the sum is 36.

The square root of 549387 is about 741.2064489736. The cubic root of 549387 is about 81.9016767179.

It can be divided in two parts, 54938 and 7, that added together give a palindrome (54945).

The spelling of 549387 in words is "five hundred forty-nine thousand, three hundred eighty-seven".